Origin of ultima

1860–65; < Latin, feminine of ultimus, superlative corresponding to ulterior ulterior

ultima ratio regum

[oo l-ti-mah rah-tee-oh rey-goo m; English uhl-tuh-muh rey-shee-oh ree-guh m]
  1. the final argument of kings (a resort to arms): motto engraved on the cannon of Louis XIV.

ultima Thule

[uhl-tuh-muh thoo-lee; Latin oo l-ti-mah too-le]
  1. (italics) Latin. the highest degree attainable.
  2. the farthest point; the limit of any journey.
  3. the point believed by the ancients to be farthest north.

Origin of ultima Thule

First recorded in 1655–65; literally, farthest Thule
Also called Thule.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ultima


  1. the final syllable of a word

Word Origin for ultima

from Latin: the last, feminine of ultimus last; see ultimate

ultima Thule

  1. another name for Thule
  2. any distant or unknown region
  3. a remote goal or aim

Word Origin for ultima Thule

Latin: the most distant Thule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012